Heffernan, M. (1994). Love's answer: Poems. University of Iowa Press.
芝加哥风格引文Heffernan, Michael. Love's Answer: Poems. Iowa City: University of Iowa Press, 1994.
MLA引文Heffernan, Michael. Love's Answer: Poems. University of Iowa Press, 1994.
警告：这些引文格式不一定是100％准确.